The daily alternation between sleep and wakefulness is one of the most dominant features
of our lives and is a manifestation of the intrinsic 24 h rhythmicity underlying almost every …

Dysfunction in 24-h circadian rhythms is a common occurrence in ageing adults; however,
circadian rhythm disruptions are more severe in people with age-related neurodegenerative …

Introduction: The purpose of this systematic review is to provide supporting evidence for a
clinical practice guideline on the use of actigraphy. Methods: The American Academy of …

Melatonin is a ubiquitous molecule present in almost every live being from bacteria to
humans. In vertebrates, besides being produced in peripheral tissues and acting as an …

Epidemiological studies provided the first evidence suggesting a connection between the
circadian clock and human health. Mutant mice convincingly demonstrate the principle that …

Nutrients | Free Full-Text | Is Melatonin the “Next Vitamin D”?: A Review of
Emerging Science, Clinical Uses, Safety, and Dietary Supplements Next Article in Journal …

Methods| We used data from the 1999-2000 through 2017-2018 cycles of the National
Health and Nutrition Examination Survey (NHANES), a series of cross-sectional, stratified …

Two adolescent mental health fields—sleep and depression—have advanced largely in
parallel until about four years ago. Although sleep problems have been thought to be a …

Chronic sleep deprivation is a common, treatable condition among adolescents. Growing
literature supports a myriad consequences that impact overall health, behavior, mood, and …

The past decade has witnessed a revival of interest in the hormone melatonin, partly
attributable to the discovery that genetic variation in MTNR1B–the melatonin receptor gene …